Nei inogona kuchinja ruvara/photochromic myopia lens kuchinja ruvara

Sekuitika kwemyopic kazhinji, marudzi ese emagirazi emyopic anobuda asingagumi, saka ruvara rwakachinja sei magirazi emyopic rave dambudziko rinonyanya kudiwa nemunhu wese.Nekuti discoloration myopia magirazi anotaridzika zvakanaka, saka isarudzo yevazhinji varwere vemyopic, pazasi kune discoloration myopia magirazi maitiro ekusuma zvakadzama kwauri.

Iyo photochromic lens inogadzirwa nekuwedzera yakakodzera huwandu hwesilver bromide uye copper oxide micrograins mugirazi rakajairwa.Kana yaiswa muchiedza chakasimba, silver bromide inoputsika kuita sirivheri nebromine.Tutsanga tuduku twesirivheri hunoora hunopa girazi ruvara rwakasvibira.Apo chiedza chakadzima, sirivha nebromine zvakakonzerwa necopper oxide kuti igadzire silver bromide zvakare.Somugumisiro, ruvara rwema lenses rwakave rwakareruka zvakare.

Yakanyanya kutaridzika "photochromic lens" uye "Polarized sun lenses"

Inokodzera vanhu vese, kusanganisira nevasingaoni

Kutanga, iyo lens inogadzirwa negirazi rakasvibiswa

Girazi rinoshandura ruvara kana rakavhenekerwa nechiedza chewavelength yakakodzera uye rinodzorera ruvara rwaro rwepakutanga kana kwabviswa chiedza.Iyo inozivikanwawo segirazi rephotochromic kana girazi remavara.Kuchinja ruvara rwegirazi kunogadzirwa nekuwedzera chiedza chemavara zvinhu mugirazi raw material.Ichi chinyorwa chine mamorekuru maviri akasiyana kana yemagetsi chimiro mamiriro, munzvimbo inooneka yechiedza kune maviri akasiyana absorption coefficient, mukati mekuita kwechiedza, anogona kusimuka kubva kune chimwe chimiro kuenda kune chimwe chimiro chechimiro, chikonzero chekuchinja shanduko yeruvara, yakajairika ine sirivheri. halide ruvara girazi, aruminiyamu mu sodium borate girazi kuwedzera shoma sirivheri halide (AgX) sensitizer, Mushure mekuwedzera mucherechedzo wemhangura uye cadmium ion sesensitizer, girazi rinosanganiswa uye kupisa rinobatwa patembiricha yakakodzera kugadzira sirivheri. halide inonamira kuita zvidimbu.Kana ichivhenekerwa nechiedza cheultraviolet kana kuti chipfupi chechiedza chinooneka, maion esirivha anoderedzwa kuita maatomu esirivha, uye maatomu akawanda esirivha anoungana kuita colloid kuti girazi rive ruvara;Kana mwenje wamira, maatomu esirivheri anova maion esirivheri uye anopera pasi pemwaranzi yemwaranzi yekupisa kana mwenje wenguva refu (tsvuku kana infrared).

 

Sirivha halide-inoshandura girazi haisi nyore kuneta, mushure mekupfuura 300,000 shanduko muchiedza uye mumvuri, haisati yakundikana, chinhu chakajairika chekugadzira magirazi ekuchinja-mavara.Girazi rinoshandura ruvara rinogona kushandiswawo kuchengetedza ruzivo uye kuratidza, kutendeuka kwemufananidzo, chiedza chekudzivirira uye kugadzirisa.

Chechipiri, iyo ruvara shanduko musimboti

Magirazi mune iyo lens inoshandura otomatiki ruvara sezvo ambient chiedza chinoshanduka.Zita rakazara magirazi ephotochromic, anozivikanwawo semagirazi emavara akareruka.Rudzi rwelenzi runosviba uye kufambiswa kwemwenje kunodzikira kana lenzi yakavhenekerwa neultraviolet uye pfupi-wave inooneka chiedza pasi pezuva.Mumukati kana rima lens mwenje transmittance inowedzera, kupera kudzoreredza kuona.Iyo photochromism yelens inongoitika uye inodzokororwa.Iwo mavara ekuchinja magirazi anogona kugadzirisa mwenje transmittance kuburikidza ne lens ruvara shanduko, kuitira kuti ziso remunhu rigone kuenderana nekuchinja kwechiedza chezvakatipoteredza, kuderedza kuneta kwekuona, kudzivirira maziso.Chromic lens chromic isati yapatsanurwa isina hwaro ruvara uye yakareruka ine marudzi maviri echigadziko ruvara;Ruvara mushure mekubuda kweruvara rune grey, tawny mhando mbiri.

1964 Corning Glass Company yakagadzira girazi rephotochromic.Parizvino, makambani makuru epasi rose anogadzira magirazi egirazi asina chinhu ikambani yeUnited States neFrance yegirazi recorning, Germany Schott Group special glass company neThe UK Chance Pilkington company.Beijing, China, uye vamwe vagadziri vanogadzira ruvara - kushandura lenzi.

Iyo chromic lens ine sirivheri halide (silver chloride, silver bromide) microcrystals.Kana yaiswa pachiedza chakabatiswa senge ultraviolet mwenje kana pfupi wavelength inooneka mwenje, iyo halide ion inoburitsa maerekitironi, ayo anotorwa neoni sirivheri, uye zvinotevera zvinoitika:

Sirivha isina ruvara halide inoputsika kuita opaque sirivheri maatomu uye inoonekera halogen maatomu, ayo anotora chiedza uye anoita kuti lenzi isanyanya kujeka.Sezvo iyo halogen mune discoloration lens isingatizi, maitiro anodzoreredzwa anogona kuitika.Mushure mekunge mwenje we activation wabviswa, sirivheri nehalogen zvinosanganiswa zvakare kudzorera lenzi kune yayo yepakutanga yakajeka, isina ruvara kana yakajeka-ruvara mamiriro.Izvo zvirimo zvesilver halide micrograins zvingangoita 4×1015 / cm3, dhayamita inenge 80 ~ 150, uye chiyero chepakati pakati pezvikamu zvinenge 600. The photochromic properties of the discoloration lenses inotsanangurwa nekusviba - kudzoreredza maitiro emhando (ona mufananidzo).TO ndiyo yekutanga kutapurirana kwegirazi regirazi risati raratidzwa, uye TD ndiko kutapurirana kwelenzi pa550nm wavelength mushure mekuratidzwa KUTI 5.× 104Lx xenon rambi kwemaminitsi gumi nemashanu.THF ndiyo hafu yenguva yekudzoreredza, ndiko kuti, nguva inodiwa kuti kutapurirana kwelens yakasvibiswa kuti idzoke mushure mekumira.Yemhando yepamusoro yemhando yekuchinja lens inofanirwa kuve yakajeka, isina emulsifying ruvara uye kupenya, hafu yekudzoreredza nguva ipfupi, nekukurumidza kupora.Iyo yepakutanga transmittance yechromic lenses isina yekutanga ruvara ingangoita 90%.Iyo yekutanga transmittance yechromatic lenses ine yekutanga ruvara inogona kunge yakaderera se60 ~ 70%.Kufambiswa kweyakajairwa girazi remhando yeruvara rwekuchinja lens kunodzikira kusvika pa20 ~ 30% mushure mekuchinja kwechiedza.Rudzi rwakagadzikana rwe discoloration lens discoloration haina kudzika, mwenje wakajeka mushure mekutapurirana kweanenge 40 ~ 50%.

Chechitatu, nzira yekugadzira

Discoloration magirazi anoshandisa discoloration girazi zvinoenderana nekuumbwa akakamurwa kuita borosilicate discoloration girazi uye aluminium phosphate discoloration girazi.China, United States, Germany uye mamwe girazi reborosilicate, United Kingdom inoshandisa aluminium phosphate glass.

Kugadzirwa kwemavara ekuchinja lens girazi isina kuvharwa kunosanganisira kugadzirira kombindi, kunyungudika kwegirazi, kumanikidza kuumbwa uye kurapwa kwekupisa.Kuramba kuchinyunguduka kunoshandiswa mukunyunguduka kwegirazi rakasvibiswa munyika, uye kune nzira mbiri dzekunyungudika kweplatinamu imwe uye kunyungudika kunoramba kuchiita muChina.Mushure mekuchinja kweruvara lens kudzvanywa kuita chimiro, kupisa kurapwa kunofanirwa kuitwa pasi pekutonga kwakasimba kwekushisa kuita kuti girazi kupatsanurwa uye kudzorwa kuburitsa huwandu hukuru hweakapararira uye akatsetseka sirivheri halide microcrystals, iyo inopa lens photochromism.

Chechina, kugadzirwa kwezvinhu

 Girazi rine sirivheri bromide (kana sirivheri chloride) uye trace copper oxide imhando yegirazi ine ruvara, kana ichiiswa muchiedza chezuva kana ultraviolet mwaranzi, iyo silver bromide inoitika kuora, maatomu esirivha (AgBr = = Ag + Br), sirivheri atomic simba kukwezva chiedza chinooneka, kana maatomu esirivheri akaunganidzwa kune imwe nhamba, chikamu chinopenya pagirazi chinotorwa, Pakutanga girazi rinopenya risina ruvara rinova firimu panguva ino, apo girazi rinopinda murima, mushure mekushanduka kwemavara pasi pe catalysis yemhangura. oxide, sirivheri uye maatomu ebromine anogona kusanganiswa kuita sirivheri bromide (Ag + Br = = AgBr), nekuti maion esirivheri haatore mwenje unooneka, saka girazi rinozove risina ruvara, rakajeka, iyi ndiyo musimboti weruvara rwegirazi.

Gadzira girazi regirazi rine shanduko yeruvara girazi, rinogona kuita kuti mwenje unopfuura pasi pezuva rinopisa uwedzere kudzika uye uve nekunzwa kunotonhorera, shandura ruvara girazi zvakare rinogona kushandiswa kugadzira zuva lens, rakachinja ruvara magirazi kubva pane izvi.

Mumamiriro ezvinhu akajairika, chete photometric test inofananidzwa nemazvo haizokonzeri kukuvadza kune ziso, asi nokuti kushandiswa kweziso kweumwe neumwe hakuna kufanana, saka usakumiririra iwe nemagirazi mushure mokunge diopta isingawedzere.Musika wemusika weiyo myopic lens inonyanya kuve firimu layer discoloration uye film base discoloration marudzi maviri, mutsauko ndewekuti firimu rinoshandura kukurumidza kuita nekukurumidza, hapana mutsauko weruvara, mutengo unodhura zvishoma.Iyo yekumhanyisa kweiyo substrate inononoka, kana dhigirii rekuruboshwe nekurudyi risingaonekwe mutsauko wemavara, asi inokwanisika, yakareba kushandisa nguva.Kana yakasvibiswa, hazvikurudzirwi kupfeka kwenguva refu.

Shandura mavara myopic magirazi anoshandiswa zvakanyanya nyore, haadi akakosha magirazi ezuva, ndiwo magirazi emyopic murwere.Zvisinei, zvinotora nguva kuti uchinje ruvara, urwo rusina kukodzera kunharaunda umo chiedza chinoshanduka nokukurumidza uye chisingagoni kuchinjwa zvachose.Urefu myopia uye munhu ane mutsauko mukuru wedhigirii rekuona kwemaziso maviri haafanire kuenderana nekuchinja kwemavara chidimbu.

Zvakadini ne discoloration myopia magirazi?Chaizvo shandura mavara magirazi emyopic uye asina ruvara akafanana, haaite dhigirii reziso kudzika nekuda kwekutora ruvara, pfeka magirazi kuda kuterera kune izvo zvinhu zvakanyanya chete, usanyepa semuenzaniso verenga bhuku, tarisa TV uye shandisa komputa kusvika kure. sezvinobvira usavimbe nepedyo zvakanyanya, kana zvisina kudaro myopic degree zvakare inokwanisa kudzika zvishoma nezvishoma.

Saw pamusoro "kuchinja mavara myopia magirazi sei" suma, tenda kuti wanzwisisa neimwe nzira kuchinja ruvara myopia magirazi.Yeuchidza iwe, ne myopia magirazi anofanirwa kuenda kune yenguva dzose dhipatimendi reOptometry, kuti usaite zvikanganiso.


Nguva yekutumira: Aug-04-2021